📐 Cổ Phiếu Chạm Bollinger Upper Band
Bollinger Upper Band = +2 SD above MA20. Chạm = overbought. Trong uptrend mạnh, giá có thể đi dọc upper band — không phải sell signal đơn thuần.
| Mã | Tên | Giá | % Δ | BB Upper |
| VRC | VRC | 13,650 | +6.64% | 13,251 |
| LGC | LGC | 64,800 | +6.75% | 63,350 |
| VND | VND | 17,450 | +6.73% | 17,091 |
| HON | Honeywell International Inc. | 228 | +1.84% | 225 |
| GS | The Goldman Sachs Group, Inc. | 997 | +0.87% | 992 |
| LMT | Lockheed Martin Corporation | 533 | +2.00% | 531 |
| FTS | FTS | 24,350 | +3.40% | 24,248 |
| SBM | SBM | 35,200 | +1.73% | 35,145 |
| JNJ | Johnson & Johnson | 234 | +1.13% | 234 |
| CVT | CVT | 27,600 | +2.79% | 27,593 |
| MMM | 3M Company | 152 | +0.55% | 153 |
| DCL | DCL | 39,000 | +0.78% | 39,128 |
| DSN | DSN | 37,400 | +0.54% | 37,540 |
| HSG | HSG | 12,600 | +3.28% | 12,649 |
| SBA | SBA | 28,350 | +0.35% | 28,463 |
| TIP | TIP | 18,300 | +0.83% | 18,379 |